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S4026

Sigma-Aldrich

Semustine

Synonym(s):

N-(2-Chloroethyl)-N′-(4-methylcyclohexyl)-N-nitrosourea, Methyl-CCNU

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About This Item

Empirical Formula (Hill Notation):
C10H18ClN3O2
CAS Number:
13909-09-6
Molecular Weight:
247.72
MDL number:
MFCD00133811
UNSPSC Code:
12352100
PubChem Substance ID:
24899584
NACRES:
NA.22

SMILES string

CC1CCC(CC1)NC(=O)N(CCCl)N=O

InChI

1S/C10H18ClN3O2/c1-8-2-4-9(5-3-8)12-10(15)14(13-16)7-6-11/h8-9H,2-7H2,1H3,(H,12,15)

InChI key

FVLVBPDQNARYJU-UHFFFAOYSA-N

Application

Commonly used in pharmacological studies involving:
  • Nutrient-sensitized screening for drugs that shift the energy metabolism from mitchondrial respiration to glycolysis
  • CEOP regimen with semustine used as induction chemotherapy in patients with lymphoma
  • Investigations into its use for chemotherapy

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Carc. 1B - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Eleana Ntatsaki et al.
Rheumatology (Oxford, England), 50(6), 1019-1024 (2011-02-05)
The ANCA-associated vasculitides (AAVs) are conventionally treated with a strategy of remission induction followed by maintenance therapy using glucocorticoids combined with CYC during induction and AZA for maintenance. Recently, several randomized controlled trials have been published that question whether these
1-(2-Chloroethyl)-3-(4-methylcyclohexyl)-1-nitrosourea.
Report on carcinogens : carcinogen profiles, 11, III53-III53 (2004-01-01)
Qiu-bai Li et al.
Acta pharmacologica Sinica, 30(10), 1471-1478 (2009-09-22)
To analyze the results of idarubicin (IDA)- versus etoposide (VP16)-intensified myeloablative conditioning regimen in allogeneic hematopoietic stem cell transplantation (allo-SCT) for high-risk acute leukemia. From January 2005 to June 2008, 48 consecutive patients (male: n=29; median age: 30 years, range
[Advances in research on capecitabine as adjuvant treatment for colon cancer after radical resection].
Su-Zhan Zhang
Zhonghua zhong liu za zhi [Chinese journal of oncology], 32(11), 801-803 (2011-01-13)
Baoqing Bai et al.
Rapid communications in mass spectrometry : RCM, 25(14), 2027-2034 (2011-06-24)
Chloroethynitrosoureas (CENUs) are important alkylating agents widely used in the treatment of cancers. Decomposition of CENUs generates active electrophilic ions that damage DNA, including the formation of dG-dC crosslinks which represents the most important cytotoxic mechanism of CENUs. In this
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